Table 2.
Characteristics of the videos by type of uploader.
| Characteristics, Median (IQR) | Type of Uploader | p Value | ||
|---|---|---|---|---|
| General Users 1 (n = 93) | Healthcare Professionals 2 (n = 36) | Health Organizations 3 (n = 42) | ||
| Viewing index 4 | 43.8 (2.2–207.4) | 500.6 (31.1–1976.7) | 17.6 (5.6–186.1) | 0.002 |
| Number of views | 25,200.0 (308.0–78,150.0) | 118,750.0 (9948.5–357,175.0) | 2061.5 (954.8–20,775.0) | 0.003 |
| Posting days | 313.0 (98.5–525.5) | 250.0 (91.5–445.5) | 155.5 (72.8–256.5) | 0.003 |
| Engagement index 5 | 1716.0 (12.5–4964.0) | 4116.0 (485.5–16,107.5) | 37.5 (18.0–629.8) | 0.002 |
| Number of likes | 1565.0 (11.5–4494.5) | 3746.0 (364.3–15,700.0) | 36.0 (18.0–569.0) | 0.003 |
| Number of comments | 11.0 (1.0–47.0) | 60.0 (11.8–136.5) | 0.0 (0.0–7.0) | 0.062 |
| Number of shares | 15.0 (0.0–130.5) | 265.0 (39.5–671.5) | 1.5 (0.0–34.0) | 0.029 |
| Duration (seconds) | 20.0 (13.0–30.5) | 21.5 (12.0–43.3) | 15.0 (10.0–20.0) | 0.054 |
| Scoring, Mean (SD) | ||||
| DISCERN | 35.69 (7.92) | 36.06 (8.37) | 26.86 (4.16)/28.74 (5.69) | <0.001 |
| Reliability of the videos (item 1–8) | 2.65 (1.37) | 2.66 (1.41) | 2.02 (1.05)/2.2 (1.17) | <0.001 |
| Quality of treatment choices (item 9–15) | 1.74 (1.10) | 1.76 (1.09) | 1.36 (0.57)/1.41 (0.68) | 0.003 |
| Overall information quality (item 16) | 2.32 (1.23) | 2.44 (1.32) | 1.14 (0.47)/1.26 (0.65) | <0.001 |
| SEES 6 | 1.65 (1.55) | 1.47 (1.36) | 0.29 (0.71) | 0.005 |
| Exercise cycle | 0.18 (0.39) | 0.19 (0.40) | 0.02 (0.15)/0.05 (0.23) | 0.036 |
| Target area | 0.53 (0.50) | 0.44 (0.50) | 0.10 (0.30)/0.21 (0.42) | <0.001 |
| Effect | 0.52 (0.50) | 0.47 (0.51) | 0.14 (0.35)/0.26 (0.45) | <0.001 |
| Precaution | 0.12 (0.32) | 0.08 (0.28) | 0.00 (0.00)/0 (0) | 0.069 |
| Rationale | 0.30 (0.46) | 0.28 (0.45) | 0.02 (0.15)/0.05 (0.23) | 0.001 |
1 Common TikTok users. 2 Individuals who describe themselves as healthcare professionals (physicians, physiotherapists.) 3 For-profit or nonprofit organizations or news agencies. 4 Number of views/posting days. 5 Number of likes + comments + shares. 6 Shoulder exercise education scores.